MM-57878 Add PerformanceReporter for clientside performance metrics (#26800)

* Define rough code for PerformanceReporter

* Create a component to manage the PerformanceReporter

* Start adding tests for PerformanceReporter

* Add test for web vitals reporting

* Update schema to more closely match the API spec

* Collect marks as counters and further update structure of API payload

* Add some outstanding TODOs about the API structure

* Add counter for long tasks

* Add EnableClientMetrics without any System Console UI

* Have PerformanceReporter use EnableClientMetrics

* Have the PerformanceReporter only report results when logged in

* Add test for having PerformanceReporter fall back to fetch

* Stop logging errors for measurements failing

* Remove buffered from observer

* Remove the Mystery Ampersand

* Still record marks with telemetry actions even if telemetry is disabled

* Add timestamps to performance reports

* Reuse the new telemetry code for the old telemetry

* The second half of the last commit

* Use Node performance libraries in all tests

* Set version of PerformanceReport

* Switch to the proper version of EnableClientMetrics

* Remove TODO for unneeded field

* Add user agent and platform detection

* Updated metrics API route

server/config/client.go

@@ -261,6 +261,7 @@ func GenerateLimitedClientConfig(c *model.Config, telemetryID string, license *m
 	props["IosMinVersion"] = c.ClientRequirements.IosMinVersion
 
 	props["EnableDiagnostics"] = strconv.FormatBool(*c.LogSettings.EnableDiagnostics)
+	props["EnableClientMetrics"] = strconv.FormatBool(*c.MetricsSettings.EnableClientMetrics)
 
 	props["EnableComplianceExport"] = strconv.FormatBool(*c.MessageExportSettings.EnableExport)
 

server/platform/services/telemetry/telemetry.go

@@ -758,8 +758,9 @@ func (ts *TelemetryService) trackConfig() {
 	})
 
 	ts.SendTelemetry(TrackConfigMetrics, map[string]any{
-		"enable":             *cfg.MetricsSettings.Enable,
-		"block_profile_rate": *cfg.MetricsSettings.BlockProfileRate,
+		"enable":                *cfg.MetricsSettings.Enable,
+		"block_profile_rate":    *cfg.MetricsSettings.BlockProfileRate,
+		"enable_client_metrics": *cfg.MetricsSettings.EnableClientMetrics,
 	})
 
 	ts.SendTelemetry(TrackConfigNativeApp, map[string]any{